persistent effect on subsequent employment and income. After initial periods with a higher incidence of sick leave, treated … treated workers, who manage to stay in employment, incur persistent income losses. The effects are stronger for sub-groups of …

. The aim of this paper is to study whether pooled groups risk create bias in the form of misclassification and confounding … respect to a number of variables, which may implicate confounding. Given appropriate controls, misclassification bias is … likely in the pooled group of light drinkers. The direction of the misclassification bias, however, is to underestimate the …

less data. The choice of survey mode, therefore, involves a potential tradeoff between bias and variance of estimators. I …

fraction of their income. The major difficulty in empirically assessing the relationship between incomes and saving rates is to … construct a credible proxy for long-run income - purged of transitory fluctuations and measurement error. The Canadian Family … reliable long-run income proxies. Our empirical analysis suggests that the estimated relationship between saving rates and long …

the return to schooling that is subject to positive omitted variable bias (OVB) and negative measurement error bias (MEB … error increases and/or more family background variables are added, the total bias rapidly becomes negative, driving the …

significant bias in the estimates. To solve this, one option is the joint modelling of the response mechanism and the variable of …